Previously...
When Y/n got back to the house Eda, King, and Luz were already there waiting for him. Immediately when Y/n got to the house he told Luz to go outside for some training.
Now... Y/n pov
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"Luz, I am about to teach you two different magic types. One is pretty simple to learn while the other is a bit tougher to learn. Which one do you want to learn first?" I asked, facing Luz with a stern face. She seemed to be in thought for a bit.
"Let's do the easy stuff first," she said with a somewhat confident face but her eyes showed some nervousness.
"I want you to listen to me closely Luz, you need to have faith and confidence that you are going to be able to use this magic," She nodded her head in understanding and I took out a black key with a red ruby. I handed her the key and she looked up at me in confusion.
"What am I going to do with a key?" She asked
I looked down at her and couldn't help but see a little bit of Lucy in her. "Do exactly as I say," I said to her. She nodded her head and listened intently. "Close your eyes," She closes her eyes and I continue saying," Whether you know it or not you do have magic inside you. Everyone does. Now imagine an energy ball forming inside you." She nodded her head, with her eyes still closed, and had a very serious look on her face. After a few minutes I continued," Now imagine that energy is flowing down your arm and into the key." Luz's eyebrows furrowed a bit as she concentrated even harder. The key started to glow red a bit. That is when I noticed Eda and King looking a bit shocked. I am assuming because they never saw this type of magic before. I smirked at them and told Luz," Now yell, I summon the Blood Moon Phoenix Scorchery!"
The key in Luz's hand glowed brighter and she yelled," I Summon The Blood Moon Phoenix Scorchery!'' The key glowed brighter than ever and when the glow dimmed a beautiful phoenix was in front of all of us. Luz still had her eyes closed though," You can open your eyes now mistress," Scorcher said. Luz opened her eyes at the sound of a new voice and her eyes widened at the sight of the phoenix. "Did I summon you?"
Scorchery nodded at her and said,'' Yes you did mistress. I assume that you would like to make a contract with me," Luz was still in shock so I answered for her, "Actually you're the first celestial spirit she has summoned. This is the first magic I am teaching her so I hope you can help her out with a few things."
Scorcher nodded her head in understanding and was about to say something when Eda interrupted, "Now wait one minute. Why on earth did you call Luz mistress and how did she summon you?"
King nodded his head in agreement, also looking confused. Luz shook her head out of her daze and said in excitement, "I can't believe it. I summoned a phoenix. Oh, I have so many questions. Are you afraid of water? Do your feathers light on fire? Are you immune to fire? What—" I cut her off by covering her mouth and said, "Please calm down Luz, then I can explain what you just did," She nodded her head and I uncovered her mouth.
"Luz, what you just did is called Celestial magic. The user uses different keys to summon Celestial Spirits with different powers to aid them in fights. The closer the user is with the spirit, the more abilities the user and the spirit unlock. I wanted you to learn this since it is the easiest magic to use," When I finished explaining Luz looked so awestruck at this information.
"What new magic can I do if I get closer with her," Luz asked.
I was going to answer but Scorchery beat me to it, "As we get closer it will take less energy to summon me as well as you will be able to summon an outfit and weapon that allows you to use my abilities," Luz looked even more excited.
"You can call me anytime you want a mistress. I will always be ready to serve," with that Scorchery went back to the Celestial realm.
"Huh where did the bird go?" King questioned while Luz was still smiling and in a daze.
I turned towards him and answered," Celestial spirits have their own realm that they all remain in," I turned back to Luz to see that she was still in a daze. I smiled at this because this was her first time doing magic. Then I reached into the bag and grabbed four more keys. These were the keys I gave to Lucy and now she passes them to Luz.
I smiled and showed the remaining keys in my hand," Are you ready to make the rest of your contracts Luz?" She looked at me and asked,"How many more are there?"
"There are technically a lot of keys but I specifically only have five and you just made a contract with one so four more left." She smiled and I handed her another key. This time it was a royal blue and white color.
"Luz I want you to try and summon this one a bit faster. The faster you get with summoning the spirits the better chance you have in battle," She nodded her head at what I said and asked," What is the name of this spirit."
"Corona Borealis the Northern Crown," I answered. Luz then closed her eyes and concentrated. About 30 seconds later she yelled, "I summon Corona Borealis, the Northern Crown." A blue glow illuminated the key and a few seconds later, a female in a white dress appeared. She looked at her summoner and smiled, "Hello. I assume you summoned me to make a contract?" Luz nodded her head and Corona continued," I am the crown spirit and my abilities are surrounded by the wind," Luz nodded her head with a huge smile and Corona went back to the Celestial Realm.
This continued with the next two spirits, which were Canis Major and Canis Minor. The more we progressed the more Eda, King, and Luz grew an understanding of what Celestial Magic was. Luz was also getting faster with her summons but I could tell that this was going to be a lot harder spirit to summon than the others.
I looked at Luz and gave a brief explanation, "Luz, this is a bit different than a regular key," She looked at me with confusion and I sighed and I continued," This key is called a diamond key. A diamond key can summon a different person from history to be your teacher and friend in something. An example would be the user before you were able to summon another celestial user to teach her," Luz nodded her head a bit at the explanation.
"I want you to remember Luz that no matter what this spirit is like, that you will treat them with respect," Luz nodded her head and I gave her the key. This could either go horribly wrong or wonderfully great.
Luz closed her eyes and concentrated on the energy flowing into the key. A bright blue and black light came from the key and got brighter every single time. Luz then yelled," I summon you," and the light got so bright I had to close my eyes.
3rd person pov...
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When the light died down Y/n, King, and Eda opened their eyes to see a passed out Luz in the arms of a man with dark blue hair and dark blue eyes. He had a tall muscular figure and his skin was fairly dark. His aura though, that is what terrifies Y/n the most. He could recognize this aura anytime at any point of day and night. Y/n never thought in a million years that Luz would have enough magic to summon one of the most terrifying people he has ever known.
Acnologia... Y/n's older brother was holding Luz in his arms. The older brother that abandoned him, tried to kill him and his family, and the older brother that betrayed him. Y/n had a lot of feelings go through his head at that moment, but concern for Luz outweighed all other feelings he had. Eda and King could feel the power coming from Acnologia and got ready for a fight.
Acnologia looked down at Luz and said, "So this is the child that summoned me? For such a tiny human she sure holds a lot of magic." Acnologia then stood up, with Luz in his arms and walked towards Y/n. He then gave Luz to Y/n, and said,"Hello brother. I assume this human means something to you?"
Y/n didn't answer him. Instead he glared at Acnologia and said,"Because she holds the diamond key you are bound to serve her."
Acnologia nodded his head and said,"Then I will serve and train her." He then turned towards Eda and King and said,"So this is one of your soulmates," Eda tensed up, and got ready to attack while King hid behind Eda's leg.
Y/n let a growl emit from him and set Luz down on the ground. Then he moved with immense speed in front of Eda and King and whispered in Acnologia's ear"You may serve Luz now, but if you hurt any of them I will make sure you stay dead."
Acnologia smirked and whispered back,"Is that a threat I hear, oh King of the Dragons?"
Y/n looked straight into Acnologia's eyes and whispered with venom,"No. It's a promise." With that Y/n stepped back and continued to glare at Acnologia.
Acnologia then said,"This human will be able to summon me whenever she wants, but I will also appear of my own will. After all, being in the departed realm can get boring." With that Acnologia disappeared, going back to the departed realm.
"Y/n... who was that?"King asked.
Y/n stayed silent for a bit. Before he went to pick up the knocked out Luz. Then he said, "That is the Dragon King before me. As well as my older brother."
Eda, who has been silent the entire time then said,"His aura was terrifying." Y/n looked at Eda and King with slight concern but then hardened his eyes and said,"Luz's training is over, we're all going to turn in for the night.
Eda and King agreed and they all headed inside the Owl House. Hooty was already asleep; oblivious to all that happened outside. Y/n took Luz to her room and got her as comfortable as possible. When he went to check on King and Eda, she found them asleep on the couch.
Instead of going to sleep Y/n decided to go outside and see if Acnologia would come. As Y/n walked out of the house and into the forest, he couldn't help but think about how Luz was able to summon his brother. Acnologia is one of the most powerful in his history he knows, so how was Luz able to summon him. Heck, she just started out with magic and she was able to summon one of the strongest people in history.
After a bit of walking Y/n walked into a clearing in the forest. After standing still for a bit he felt Acnologia's presence behind him.
"So, you left your wonderful home to come visit me, I am so touched," He said in a mocking tone. Y/n turned towards him and asked," Do you know how Luz was able to summon you?"
Acnologia turned serious and said," No. I honestly have no idea how the human was able to summon me. The closest thing I can come up with is that it has something to do with my soulmates."
Y/n looked at Acnologia confused, "You mean, after Natsu delivered your death, your timers never stopped?" Acnologia nodded. You see, when Y/n and Acnologia were little they both ended up getting different leads for their soulmates. Y/n had tattoos while Acnologia had timers that would ring when he first looks into his soulmate's eyes.
If Acnologia's timers never stopped after his death, then that means fate had actually planned for Acnologia to serve Luz. Y/n sighed at this revelation. After a bit of thinking Y/n looked into his brother's eyes and said,'' Look, you are able to come and go as you please, but I don't want you to cause any trouble whatsoever. The only time I will allow you to do something is if any of us or your soulmate is in danger. This means no spreading chaos." He finished with a serious look.
Acnologia sighed and said,'' I understand brother," and with that said Acnologia returned to the departed realm. Y/n began walking back to the Owl House, but instead of sleeping inside, he jumped up onto the roof and fell asleep there.
'Mavis and Zeref, please grant Eda, King, and Luz protection,' and with those final thoughts he let his drowsiness take over.
~So what do you think? I still haven't decided what other magic Luz is going to learn but I think I am going to go with sky dragon slaying. The reason I chose this is because she will be able to heal and support as well as attack. Not to mention she will be able to have a dragon force form. Well, I wish you all a good day.
: )